Walterfreeman.github.io

Period: How long it takes the planet to go around its star Eccentricity: A measure of how ``stretched-out'' an ellipse is. The minimum value is 0 (this is just a circle); the maximum value is 1.Eccentricity can be calculated from perihelion and aphelion distances as e = a+p a-p Note that the computer will do this for you; you won’t need to do ... ................
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